the only circumstance that might allow a bringing a restricted
weapon (all handguns) into the country would be participation in a recognized
shooting competition.

or for protection from animals. Not an issue in much of the country, but can
be a concern in the Canadian Rockies.

btw, the State of Alaska (which covers a large part of the trip from Seattle to
Ankorage *requires* of all small aircraft operating outside of very limited
areas to cover a pistol or shotgun or rifle, in addition to various pieces of
survival gear. The Canadians used to much more strict re the survival gear
required (for remote areas) but have made the law rather nubulous now.
survival gear for remote areas is considered prudent.

That said, I have no use for weapons today, having used then in earnest as a
young man in the employ of my Uncle Sam.